when

noun

The time at which something happens.

adverb

(interrogative) At what time? At which time? Upon which occasion or circumstance? Used to introduce direct or indirect questions about time.

(relative) At which, on which, during which: often omitted or replaced with that.

(fused relative) The time at, on or during which.

(informal, in definitions or explanations) A circumstance or situation in which.

(interrogative, Internet slang, often humorous) Used after a noun or noun phrase in isolation to express impatience with an anticipated future event.

At an earlier time and under different, usually less favorable, circumstances.

Synonyms for when

whenever whilen butadv whereupon whereas howeveradv evenadv thoughadv although whilst

Words related to when

whenas thenadv onceadv whensoever if that since where beforeadv because which until what afteradj soadv itn afterwardadv and whether asn forwhyadj how whereonn hen subsequentlyadv whereunto beforetime lateradv whereat thenceforwards

Synonyms & related words for when

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Words related to when

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Synonyms for when

Common synonyms for when include whenever, while, but, whereupon, whereas, however, even, though — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.